US8139347B2 - Touch pad module assembly structure - Google Patents

Touch pad module assembly structure Download PDF

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Publication number
US8139347B2
US8139347B2 US12/659,335 US65933510A US8139347B2 US 8139347 B2 US8139347 B2 US 8139347B2 US 65933510 A US65933510 A US 65933510A US 8139347 B2 US8139347 B2 US 8139347B2
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Prior art keywords
touch pad
pad module
assembly structure
housing
edge
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Expired - Fee Related, expires
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US20110075336A1 (en
Inventor
Tsung-Ju Chiang
Hsiu-Pen Lin
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Quanta Computer Inc
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Quanta Computer Inc
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Assigned to QUANTA COMPUTER INC. reassignment QUANTA COMPUTER INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHIANG, TSUNG-JU, LIN, HSIU-PEN
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/169—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes

Definitions

  • the present invention relates to a touch pad module. More particularly, the present invention relates to a touch pad module of a computer device.
  • a touch pad module is one of the essential parts of each notebook computer in order to perform a computer mouse's function within an operation system.
  • a conventional touch pad module is assembled a computer housing by using nuts and bolts. Such assembling way would need lots of labor efforts and low production output. For the forgoing reasons, there is a need for improving the touch pad module assembly structure.
  • a touch pad module assembly structure includes a housing and a touch module.
  • the housing includes a generally rectangular concave area, which includes a bottom surface, two housing edges, a step, a position pin and a convex member.
  • the two housing edges are respectively disposed at two opposite edges of the concave area.
  • the step is disposed closer to one of the two housing edges than the other thereof.
  • the position pin is disposed on an inner surface of the one of the two housing edges.
  • the convex member is disposed closer to the other of the two housing edges.
  • the touch module includes a support member, which includes a position member and a hook member.
  • the position member is disposed at an edge of the support member and comprising a position hole to be engaged with the position pin.
  • the hook member is disposed at an opposite edge of the support member and coupled with the other of the two housing edges.
  • the hook member includes a generally triangular cross-section.
  • the touch module further includes a circuit board disposed over the support member and a glass panel disposed over the circuit board.
  • the hook member includes a first surface disposed generally in parallel with the glass panel, a second surface disposed generally perpendicular to the first surface, and a third surface interconnecting the first and second surface.
  • the first surface is in contact with an inner surface of the other of the two housing edges.
  • the circuit board when the hook member is coupled with the other of the two housing edges, the circuit board comprises a switch to be in contact with the convex member of the concave area.
  • the support member comprises an opening to be inserted through by the switch to contact the convex member of the concave area.
  • the edge of the support member is in contact with the step of the concave area.
  • the support member is made from plastic materials.
  • the housing is made from metallic materials.
  • FIG. 1 illustrates a touch pad module assembly structure according to one embodiment of this invention
  • FIG. 2 illustrates the touch pad module in FIG. 1 ;
  • FIG. 3 illustrates a cross-sectional view taken along 3 - 3 ′ in FIG. 1 ;
  • FIG. 4 illustrates a cross-sectional view taken along 4 - 4 ′ in FIG. 1 ;
  • FIG. 5A-5C illustrate a series of step of how the touch pad module being assembled using the cross-sectional view of FIG. 3 .
  • FIG. 1 illustrates a touch pad module assembly structure according to one embodiment of this invention.
  • FIG. 2 illustrates the touch pad module in FIG. 1 .
  • a touch pad module 120 is assembled within a concave area 103 of a housing 101 of a computer device 100 (such as a notebook computer).
  • the touch pad module 120 provides a cursor control function, i.e. same function as a computer does.
  • the embodiment herein discloses a screw-less assembly method, thereby reducing labor efforts and accelerating assembly speed.
  • the touch pad module assembly structure and assembly method is described as below.
  • FIG. 3 illustrates a cross-sectional view taken along 3 - 3 ′ in FIG. 1 .
  • the cross-section line 3 - 3 ′ goes across the touch pad module 120 and two opposite housing edges ( 101 b , 101 c ) of a generally rectangular concave area 103 .
  • a position pin 101 a is located on an inner surface of the housing edge 101 b for securing purpose.
  • the touch pad module 120 basically consists of three members: a support member 122 , a circuit board 124 and a glass panel 126 (from bottom up).
  • the circuit board 124 is attached over the support member 122
  • the glass panel 126 is attached over the circuit board 124 .
  • the plastic support member 122 is to recover the circuit board 124 and glass panel 126 to an original position after they are pressed.
  • the support member 122 has an edge 122 d with a positioning member 122 a , on which a positioning hole 122 c is designed, to engage with an positioning pin 101 a of the housing 101 .
  • the support member 122 has an opposite edge 122 e with a hook member 122 b to couple with the housing edge 101 c.
  • FIG. 4 illustrates a cross-sectional view taken along 4 - 4 ′ in FIG. 1 .
  • the cross-section line 4 - 4 ′ goes across the touch pad module 120 and two opposite housing edges ( 101 b , 101 c ) of a generally rectangular concave area 103 .
  • a bottom surface 103 a of the concave area 103 has a step 103 b and a convex member 103 c .
  • the step 103 b is closer to the housing edge 101 b (than the housing edge 101 c ) and the convex member 103 c is closer to the housing edge 101 c (than the housing edge 101 b ).
  • the edge 122 d of the support member 122 is in contact with the step 103 b .
  • the opposite edge 122 e has an opening 122 f to be inserted through by the switch 124 a of the circuit board 124 to contact the convex member 103 c of the concave area 103 .
  • a gap is formed between the support member 122 and the bottom surface 103 a of the concave area 103 such that the support member 122 is suspended over the bottom surface 103 a .
  • the edge 122 d of the support member 122 is in contact with the step 103 b and has its positioning hole 122 c to engage with the positioning pin 101 a such that the edge 122 d can be firmly secured to the housing edge 101 b .
  • the opposite edge 122 e of the support member 122 has its hook member 122 b to couple with the housing edge 101 c and the switch 124 a is in contact with the convex member 103 c .
  • the support member 122 is bent to permit the switch 124 a to be pushed.
  • the support member 122 recover the touch pad module 120 to an original position.
  • FIG. 5A-5C illustrate a series of step of how the touch pad module being assembled using the cross-sectional view of FIG. 3 .
  • An advantage of the touch pad module 120 is to permit itself assembled into the concave area 103 of the housing 101 from an appearance side thereof. Referring to FIG. 5A , an edge of the touch pad module 120 (the edge 122 d of the support member 122 ) is inserted under the housing edge 101 b , and the positioning holes 122 c of the support member 122 engages with the positioning pin 101 a on an inner surface of the housing 101 . An opposite edge of the touch pad module 120 (the edge 122 e of the support member 122 ) is swiveled down to couple with the housing edge 101 c .
  • the opposite edge 122 e of the support member 122 has a hook member 122 b with a generally triangular cross-section.
  • the hook member 122 b has three surfaces.
  • a first surface 123 a is substantially in parallel with the glass panel 126 .
  • a second surface 123 c is substantially perpendicular to the first surface 123 a .
  • a third surface 123 b interconnects the first surface 123 a and the second surface 123 c .
  • the housing 101 e.g. the housing edges ( 101 b , 101 c ) and the bottom surface 103 a , of the computer device 100 is made from metallic materials so as to provide a stronger support for the touch pad module 120 (compared with plastic housing).
  • the touch pad module assembly structure permits the touch pad module to be assembled into the concave area of the housing from an appearance side thereof by a screw-less way, thereby reducing labor cost and speeding production output (compared with screw-fastening way).

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Casings For Electric Apparatus (AREA)
  • Position Input By Displaying (AREA)

Abstract

A touch pad module assembly structure includes a housing and a touch module. The housing includes a generally rectangular concave area, which includes a bottom surface, two housing edges, a step, a position pin and a convex member. The step is disposed closer to one of the two housing edges than the other thereof. The position pin is disposed on an inner surface of the one of the two housing edges. The convex member is disposed closer to the other of the two housing edges. The touch module includes a support member, which includes a position member and a hook member. The position member is disposed at an edge of the support member and includes a position hole to be engaged with the position pin. The hook member is disposed at an opposite edge of the support member and coupled with the other of the two housing edges.

Description

RELATED APPLICATIONS
This application claims priority to Taiwan Application Serial Number 98218076, filed Sep. 30, 2009, which is herein incorporated by reference.
BACKGROUND
1. Field of Invention
The present invention relates to a touch pad module. More particularly, the present invention relates to a touch pad module of a computer device.
2. Description of Related Art
A touch pad module is one of the essential parts of each notebook computer in order to perform a computer mouse's function within an operation system. A conventional touch pad module is assembled a computer housing by using nuts and bolts. Such assembling way would need lots of labor efforts and low production output. For the forgoing reasons, there is a need for improving the touch pad module assembly structure.
SUMMARY
It is therefore an objective of the present invention to provide an improved touch pad module assembly structure.
In accordance with the foregoing and other objectives of the present invention, a touch pad module assembly structure includes a housing and a touch module. The housing includes a generally rectangular concave area, which includes a bottom surface, two housing edges, a step, a position pin and a convex member. The two housing edges are respectively disposed at two opposite edges of the concave area. The step is disposed closer to one of the two housing edges than the other thereof. The position pin is disposed on an inner surface of the one of the two housing edges. The convex member is disposed closer to the other of the two housing edges. The touch module includes a support member, which includes a position member and a hook member. The position member is disposed at an edge of the support member and comprising a position hole to be engaged with the position pin. The hook member is disposed at an opposite edge of the support member and coupled with the other of the two housing edges.
In an embodiment of this invention, the hook member includes a generally triangular cross-section.
In another embodiment of this invention, the touch module further includes a circuit board disposed over the support member and a glass panel disposed over the circuit board.
In another embodiment of this invention, the hook member includes a first surface disposed generally in parallel with the glass panel, a second surface disposed generally perpendicular to the first surface, and a third surface interconnecting the first and second surface.
In another embodiment of this invention, when the hook member is coupled with the other of the two housing edges, an intersection of the second and third surface is in contact with the bottom surface of the concave area.
In another embodiment of this invention, when the hook member is coupled with the other of the two housing edges, the first surface is in contact with an inner surface of the other of the two housing edges.
In another embodiment of this invention, when the hook member is coupled with the other of the two housing edges, a gap is formed between the support member and the bottom surface of the concave area.
In another embodiment of this invention, when the hook member is coupled with the other of the two housing edges, the circuit board comprises a switch to be in contact with the convex member of the concave area.
In another embodiment of this invention, the support member comprises an opening to be inserted through by the switch to contact the convex member of the concave area.
In another embodiment of this invention, the edge of the support member is in contact with the step of the concave area.
In another embodiment of this invention, the support member is made from plastic materials.
In another embodiment of this invention, the housing is made from metallic materials.
It is to be understood that both the foregoing general description and the following detailed description are by examples, and are intended to provide further explanation of the invention as claimed.
BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention. In the drawings,
FIG. 1 illustrates a touch pad module assembly structure according to one embodiment of this invention;
FIG. 2 illustrates the touch pad module in FIG. 1;
FIG. 3 illustrates a cross-sectional view taken along 3-3′ in FIG. 1;
FIG. 4 illustrates a cross-sectional view taken along 4-4′ in FIG. 1; and
FIG. 5A-5C illustrate a series of step of how the touch pad module being assembled using the cross-sectional view of FIG. 3.
 DESCRIPTION OF THE PREFERRED EMBODIMENTS
Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
FIG. 1 illustrates a touch pad module assembly structure according to one embodiment of this invention. FIG. 2 illustrates the touch pad module in FIG. 1. A touch pad module 120 is assembled within a concave area 103 of a housing 101 of a computer device 100 (such as a notebook computer). The touch pad module 120 provides a cursor control function, i.e. same function as a computer does. The embodiment herein discloses a screw-less assembly method, thereby reducing labor efforts and accelerating assembly speed. The touch pad module assembly structure and assembly method is described as below.
FIG. 3 illustrates a cross-sectional view taken along 3-3′ in FIG. 1. The cross-section line 3-3′ goes across the touch pad module 120 and two opposite housing edges (101 b, 101 c) of a generally rectangular concave area 103. In order to secure the touch pad module 120, a position pin 101 a is located on an inner surface of the housing edge 101 b for securing purpose.
The touch pad module 120 basically consists of three members: a support member 122, a circuit board 124 and a glass panel 126 (from bottom up). The circuit board 124 is attached over the support member 122, and the glass panel 126 is attached over the circuit board 124. The plastic support member 122 is to recover the circuit board 124 and glass panel 126 to an original position after they are pressed.
The support member 122 has an edge 122 d with a positioning member 122 a, on which a positioning hole 122 c is designed, to engage with an positioning pin 101 a of the housing 101. The support member 122 has an opposite edge 122 e with a hook member 122 b to couple with the housing edge 101 c.
FIG. 4 illustrates a cross-sectional view taken along 4-4′ in FIG. 1. The cross-section line 4-4′ goes across the touch pad module 120 and two opposite housing edges (101 b, 101 c) of a generally rectangular concave area 103. To enable the touch pad module 120 to be elastically recoverable, a bottom surface 103 a of the concave area 103 has a step 103 b and a convex member 103 c. The step 103 b is closer to the housing edge 101 b (than the housing edge 101 c) and the convex member 103 c is closer to the housing edge 101 c (than the housing edge 101 b).
The edge 122 d of the support member 122 is in contact with the step 103 b. The opposite edge 122 e has an opening 122 f to be inserted through by the switch 124 a of the circuit board 124 to contact the convex member 103 c of the concave area 103.
Referring both to FIG. 3 and FIG. 4, when the touch pad module 120 is assembled into the concave area 103 of the housing 101, a gap is formed between the support member 122 and the bottom surface 103 a of the concave area 103 such that the support member 122 is suspended over the bottom surface 103 a. The edge 122 d of the support member 122 is in contact with the step 103 b and has its positioning hole 122 c to engage with the positioning pin 101 a such that the edge 122 d can be firmly secured to the housing edge 101 b. The opposite edge 122 e of the support member 122 has its hook member 122 b to couple with the housing edge 101 c and the switch 124 a is in contact with the convex member 103 c. When a user pushes an edge of the touch pad module 120 with the switch 124 a, the support member 122 is bent to permit the switch 124 a to be pushed. When the touch pad module 120 is released from push, the support member 122 recover the touch pad module 120 to an original position.
FIG. 5A-5C illustrate a series of step of how the touch pad module being assembled using the cross-sectional view of FIG. 3. An advantage of the touch pad module 120 is to permit itself assembled into the concave area 103 of the housing 101 from an appearance side thereof. Referring to FIG. 5A, an edge of the touch pad module 120 (the edge 122 d of the support member 122) is inserted under the housing edge 101 b, and the positioning holes 122 c of the support member 122 engages with the positioning pin 101 a on an inner surface of the housing 101. An opposite edge of the touch pad module 120 (the edge 122 e of the support member 122) is swiveled down to couple with the housing edge 101 c. The opposite edge 122 e of the support member 122 has a hook member 122 b with a generally triangular cross-section. The hook member 122 b has three surfaces. A first surface 123 a is substantially in parallel with the glass panel 126. A second surface 123 c is substantially perpendicular to the first surface 123 a. A third surface 123 b interconnects the first surface 123 a and the second surface 123 c. Referring to FIG. 5B, when the hook member 122 b couples with the housing edge 101 c, the third surface 123 b contacts the housing edge 101 c such that the hook member 122 b is deformed and gradually engages with the housing edge 101 c. Referring to FIG. 5C, when the hook member 122 b fully engages with the housing edge 101 c, the first surface 123 a is in contact with an inner surface of the housing edge 101 c and an intersection of the second surface 123 c and third surface 123 b is in contact with the bottom surface 103 a of the concave area 103.
In the above-discussed embodiments, the housing 101, e.g. the housing edges (101 b, 101 c) and the bottom surface 103 a, of the computer device 100 is made from metallic materials so as to provide a stronger support for the touch pad module 120 (compared with plastic housing).
According to above-discussed embodiments, the touch pad module assembly structure permits the touch pad module to be assembled into the concave area of the housing from an appearance side thereof by a screw-less way, thereby reducing labor cost and speeding production output (compared with screw-fastening way).
It will be apparent to those skilled in the art that various modifications and variations can be made to the structure of the present invention without departing from the scope or spirit of the invention. In view of the foregoing, it is intended that the present invention cover modifications and variations of this invention provided they fall within the scope of the following claims and their equivalents.

Claims (14)

What is claimed is:
1. A touch pad module assembly structure, comprising:
a housing comprising a generally rectangular concave area,
the concave area comprising:
a bottom surface;
a first housing edge and a second housing edge, respectively disposed at two opposite edges of the concave area;
a step disposed on the bottom surface and closer to the first housing edge than the second housing edge;
a position pin disposed on an inner surface of the first housing edge; and
a convex member disposed on the bottom surface and closer to the second housing edge than the first housing edge; and
a touch module comprising a support member,
the support member having two opposite edges as first and second support edges, comprising:
a position member disposed at the first support edge and comprising a position hole to be engaged with the position pin, the first support edge being in contact with the step of the concave area; and
a hook member disposed at the second support edge and coupled with the second housing edge.
2. The touch pad module assembly structure of claim 1, wherein the hook member comprises a generally triangular cross-section.
3. The touch pad module assembly structure of claim 1, wherein the touch module further comprises:
a circuit board disposed over the support member; and
a glass panel disposed over the circuit board.
4. The touch pad module assembly structure of claim 3, wherein the hook member comprises:
a first surface disposed generally in parallel with the glass panel;
a second surface disposed generally perpendicular to the first surface; and
a third surface interconnecting the first and second surfaces.
5. The touch pad module assembly structure of claim 4, wherein when the hook member is coupled with the second housing edge, an intersection of the second and third surfaces is in contact with the bottom surface of the concave area.
6. The touch pad module assembly structure of claim 4, wherein when the hook member is coupled with the second housing edge, the first surface is in contact with an inner surface of the second housing edge.
7. The touch pad module assembly structure of claim 1, wherein when the hook member is coupled with the second housing edge, a gap is formed between the support member and the bottom surface of the concave area.
8. The touch pad module assembly structure of claim 3, wherein when the hook member is coupled with the second housing edge, the circuit board comprises a switch to be in contact with the convex member of the concave area.
9. The touch pad module assembly structure of claim 8, wherein the support member has an opening, through which the switch is movable to contact the convex member of the concave area.
10. The touch pad module assembly structure of claim 1, wherein the support member is made from plastic materials.
11. The touch pad module assembly structure of claim 1, wherein the housing is made from metallic materials.
12. The touch pad module assembly structure of claim 8, wherein the support member is, when an edge of the touch pad module is pushed with the switch, bent to permit the switch to be pushed.
13. The touch pad module assembly structure of claim 8, wherein the support member recovers, when the switch releases from a state of pushing an edge of the touch pad, to an original position that is free of bends.
14. The touch pad module assembly structure of claim 1, wherein when the hook member is coupled with the second housing edge, the hook member is deformed and gradually engages with the second housing edge.
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